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Finding the Fourth Proportional to 267,690.64, 401,468.60 and 109,962.64

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Solution

The fourth proportional to 267,690.64, 401,468.60 and 109,962.64 is: 164,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,690.64 : 401,468.60 = 109,962.64 : x
  2. Step 2: Convert to fraction form
    267,690.64/401,468.60 = 109,962.64/x
  3. Step 3: Cross multiply
    267,690.64x = 401,468.60 × 109,962.64
  4. Step 4: Simplify right side
    267,690.64x = 44,146,547,133.10
  5. Step 5: Solve for x
    x = 44,146,547,133.10/267,690.64
  6. Step 6: Final answer
    x = 164,916.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.